Royal Canin Veterinary Diet Renal Support A Dry Cat Food

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6.6-lb bag
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This prescription item requires vet approval. Details


Keep your favorite feline happy and healthy with the specialized nutrition found in Royal Canin Veterinary Diet Renal Support A Dry Cat Food. With the optimal ingredients for ideal kidney health, including low phosphorus and protein, EPA and DHA, and an exclusive complex of antioxidants, this prescription dry food is carefully formulated to aid in the management of chronic feline renal failure. And thanks to an enticing aromatic profile, tempting kibble texture and shape, and being highly digestible, this diet is perfect for supporting the overall health and well-being of cats with renal failure, helping them to stay happier and healthier for longer.

Key Benefits

  • Exclusive formula is created specifically to support optimal kidney health in adult cats with chronic renal disease.
  • Unique kibble shape, size and texture helps to stimulate the appetite and makes prescription diet easier to digest.
  • Contains ideal nutrients to manage feline renal failure, including low protein and phosphorus, and EPA and DHA.
  • Formulated specifically with limited use of protein to minimize the production of nitrogenous waste products.
  • Customized aroma profile is specifically designed to tempt even the finickiest of feline companions into eating.

This product requires a veterinary prescription. Simply provide your vet's information during checkout and we'll follow up to confirm the prescription, or email a copy of your prescription to and we'll get your order out right away.

See all items by Royal Canin Veterinary Diet

  • Item Number
  • Weight
    6.6 pounds
  • Brand
    Royal Canin
  • Food Form
    Dry Food
  • Lifestage
  • Made in
    United States
  • Special Diet
    Sensitive Digestion, Low-Protein, Prescription Food

Nutritional Info


Brewers Rice, Corn, Chicken Fat, Wheat Gluten, Corn Gluten Meal, Chicken By-Product Meal, Soy Protein Isolate, Powdered Cellulose, Natural Flavors, Wheat, Chicory, Fish Oil, Calcium Carbonate, Sodium Silico Aluminate, Potassium Chloride, Dl-Methionine, Psyllium Seed Husk, Potassium Citrate, L-Arginine, Fructooligosaccharides, Salt, Choline Chloride, Vitamins [Dl-Alpha Tocopherol Acetate (Source of Vitamin E), L-Ascorbyl-2-Polyphosphate (Source of Vitamin C), Niacin Supplement, Biotin, Riboflavin Supplement, D-Calcium Pantothenate, Pyridoxine Hydrochloride (Vitamin B6), Vitamin A Acetate, Thiamine Mononitrate (Vitamin B1), Vitamin B12 Supplement, Folic Acid, Vitamin D3 Supplement], Taurine, Trace Minerals [Zinc Oxide, Ferrous Sulfate, Manganous Oxide, Copper Sulfate, Calcium Iodate, Sodium Selenite], L-Lysine, Marigold Extract (Tagetes Erecta L.), Rosemary Extract, Preserved with Mixed Tocopherols and Citric Acid.

Caloric Content

3,790 kcal/kg, 345 kcal/cup

Guaranteed Analysis
Crude Protein 21.0% min
Crude Protein 25.0% max
Crude Fat 15.0% min
Crude Fiber 6.4% max
Moisture 8.0% max
Phosphorus 0.57% max
Eicosapentaenoic Acid (EPA) 0.28% min
Docosahexaenoic Acid (DHA) 0.12% min

Feeding Instructions

Weight Daily Feeding for Weight Maintenance (cups) Daily Feeding for High Energy Needs (cups)
4 lbs 3/8 3/8
11 lbs 1 1 1/4
22 lbs 1 3/4 2
33 lbs 2 3/8 2 3/4
44 lbs 3 3 1/2
55 lbs 3 1/2 4 1/8
66 lbs 4 4 3/4
77 lbs 4 1/2 5 1/4
88 lbs 5 5 7/8
99 lbs 5 1/2 6 3/8
110 lbs 6 6 7/8
132 lbs 6 7/8 7 7/8

Transition Instructions

It is recommended that you transition your cat from the old formulation to new the new formulation over a course of 7 days.

Customer Reviews

173 reviews 173 Reviews 4.7 out of 5 Stars

99% Recommend

99% of reviewersrecommend this product

4.7 / 5

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Showing 1-10 of 173 Reviews

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  • Cats love it.

    By on

    Our cats had no problems with this food. Our vet told us that our other cat could also eat this food because she is over the age of eight (she does not have Renal disease) so we don't have to buy two different kinds of cat food. :-) They really like the wet food as well . Chewy is awesome ! Excellent customer service ! Fast shipping !

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  • Expensive but Helps

    By on

    My vet put my 9 year old cat on Royal Canin Renal Support A after he had a serous bladder infection. He was traumatized by workers in my home repairing damage form Huricane Harvey and reacted by getting an inflamed bladder. The diet change helped resolve the issue, but it sure is expensive.

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  • Really likes

    By on

    Products came quickly. We had bought sm sample pack of Royal Canin renal diet foods from our Vet's office. He enjoyed it so ordered more. I think its overpriced but have to have it. He's enjoying.

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  • Recommend by Breeder:

    By on

    This boy turned 8 in June, and his breeder recommended we start him on a renal support cat food. He's a very slim little Siamese wedge boy, and doesn't even eat the amount that he's supposed to of 1/2 cup a day! Full of energy! Only problem is he eats way to fast. I try to distract him so he'll lift his head out of his bowl, rarely will, and then the problem is he'll throw it all up. This doesn't happen very often, maybe once a week. He east multiple small meals a day, and he wants food within a few minutes of doing the throw up. All in all pleased he'll eat it, he's a VERY finicky boy.

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  • Spunky likes it!

    By on

    My 16 year old Spunky was diagnosed with the beginning stages of kidney disease, and I had to start him on a kidney care diet. He is picky, as most cats are, so I ordered all three options, A (Aromatic), F (Flavorful), & S (Savory). I alternate a quarter cup of each every time I add food to his bowl. This is working and he is eating his food. I hope that his next blood work shows an improvement in his kidney function levels.

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  • Renal diet

    By on

    The diet has been a change for all four of our cats, not just for the one it was prescribed. So far, they all like it.

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  • Even my fussy boy likes it

    By on

    My sweet Duncan was just diagnosed with chronic kidney failure so he's on a special diet now. He's always loved Royal Canin foods and this (luckily) is no exception. He's always been a bit fussy and now more so, but he eats this without hesitation. Thanks for another exceptional product, RC! Also, ordering a veterinary diet on Chewy was a breeze. Thanks so much!

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  • Mozart loves it

    By on

    I was out of it and it wasn’t available at Petsmart. I bought a small bag of another Royal Canin formula . When the 2 bags I ordered from Chewy arrived, Moz was found trying to open the bag by chewing on the packaging.

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  • great product

    By on

    My cat Inky has finally found a food he will eat. We have gone through several different brands since he was diagnosed with kidney disease. I was starting to give up hope that we would find something that he would eat. He is starting to put some of his weight back on and we will see how his blood work is doing in about a month so hopefully this new food will have done the trick.

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  • Vet recommended

    By on

    cheapest in town and delivered in two days, even with them having to call for a prescription approval from the vet.

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